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vova2212 [387]
2 years ago
13

Find x Will be marked brainliest

Mathematics
1 answer:
dusya [7]2 years ago
4 0

Answer:

x = -49

Step-by-step explanation:

The sum of the angles of a triangle is 180°. Set up the following equation and solve for x.

-x-5+37+99=180\\\\-x+131=180\\\\-x=49\\\\x=-49

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